13040032 has 12 divisors (see below), whose sum is σ = 25672626. Its totient is φ = 6520000.

The previous prime is 13040029. The next prime is 13040059. The reversal of 13040032 is 23004031.

13040032 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 9024016 + 4016016 = 3004^2 + 2004^2 .

It is a super-2 number, since 2×13040032² = 340084869122048, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13039994 and 13040021.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 203719 + ... + 203782.

Almost surely, 2^13040032 is an apocalyptic number.

It is an amenable number.

13040032 is a deficient number, since it is larger than the sum of its proper divisors (12632594).

13040032 is an equidigital number, since it uses as much as digits as its factorization.

13040032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407511 (or 407503 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 13040032 is about 3611.0984478410. The cubic root of 13040032 is about 235.3745769150.

Adding to 13040032 its reverse (23004031), we get a palindrome (36044063).

The spelling of 13040032 in words is "thirteen million, forty thousand, thirty-two".