13690512 has 160 divisors (see below), whose sum is σ = 44520960. Its totient is φ = 3991680.

The previous prime is 13690511. The next prime is 13690513. The reversal of 13690512 is 21509631.

It is an interprime number because it is at equal distance from previous prime (13690511) and next prime (13690513).

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (13690511) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 204303 + ... + 204369.

It is an arithmetic number, because the mean of its divisors is an integer number (278256).

Almost surely, 2^13690512 is an apocalyptic number.

13690512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13690512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22260480).

13690512 is an abundant number, since it is smaller than the sum of its proper divisors (30830448).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13690512 is a wasteful number, since it uses less digits than its factorization.

13690512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138 (or 126 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 27.

The square root of 13690512 is about 3700.0691885423. The cubic root of 13690512 is about 239.2250000902.

The spelling of 13690512 in words is "thirteen million, six hundred ninety thousand, five hundred twelve".