13699472 has 40 divisors (see below), whose sum is σ = 27720696. Its totient is φ = 6552576.

The previous prime is 13699471. The next prime is 13699487. The reversal of 13699472 is 27499631.

It can be written as a sum of positive squares in 4 ways, for example, as 1893376 + 11806096 = 1376^2 + 3436^2 .

It is not an unprimeable number, because it can be changed into a prime (13699471) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43058 + ... + 43374.

Almost surely, 2^13699472 is an apocalyptic number.

It is an amenable number.

13699472 is an abundant number, since it is smaller than the sum of its proper divisors (14021224).

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

13699472 is a wasteful number, since it uses less digits than its factorization.

13699472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 435 (or 429 counting only the distinct ones).

The product of its digits is 81648, while the sum is 41.

The square root of 13699472 is about 3701.2797786712. The cubic root of 13699472 is about 239.2771770666.

The spelling of 13699472 in words is "thirteen million, six hundred ninety-nine thousand, four hundred seventy-two".