13249470 has 64 divisors (see below), whose sum is σ = 34945344. Its totient is φ = 3194880.

The previous prime is 13249463. The next prime is 13249487. The reversal of 13249470 is 7494231.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20350 + ... + 20990.

It is an arithmetic number, because the mean of its divisors is an integer number (546021).

Almost surely, 2^13249470 is an apocalyptic number.

13249470 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 13249470, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17472672).

13249470 is an abundant number, since it is smaller than the sum of its proper divisors (21695874).

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

13249470 is a wasteful number, since it uses less digits than its factorization.

13249470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 717.

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 13249470 is about 3639.9821428133. The cubic root of 13249470 is about 236.6280194338.

The spelling of 13249470 in words is "thirteen million, two hundred forty-nine thousand, four hundred seventy".