13481370 has 96 divisors (see below), whose sum is σ = 41860800. Its totient is φ = 3078432.

The previous prime is 13481329. The next prime is 13481383. The reversal of 13481370 is 7318431.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12721 + ... + 13739.

It is an arithmetic number, because the mean of its divisors is an integer number (436050).

Almost surely, 2^13481370 is an apocalyptic number.

13481370 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 13481370, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20930400).

13481370 is an abundant number, since it is smaller than the sum of its proper divisors (28379430).

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

13481370 is a wasteful number, since it uses less digits than its factorization.

13481370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1049 (or 1036 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 13481370 is about 3671.6985170354. The cubic root of 13481370 is about 238.0005766999. Note that the first 3 decimals are identical.

The spelling of 13481370 in words is "thirteen million, four hundred eighty-one thousand, three hundred seventy".