32402013 has 16 divisors (see below), whose sum is σ = 50580096. Its totient is φ = 18063360.

The previous prime is 32401997. The next prime is 32402021. The reversal of 32402013 is 31020423.

It is not a de Polignac number, because 32402013 - 2⁴ = 32401997 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 32401983 and 32402001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32402023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17956 + ... + 19677.

It is an arithmetic number, because the mean of its divisors is an integer number (3161256).

Almost surely, 2^32402013 is an apocalyptic number.

It is an amenable number.

32402013 is a deficient number, since it is larger than the sum of its proper divisors (18178083).

32402013 is a wasteful number, since it uses less digits than its factorization.

32402013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37684.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 32402013 is about 5692.2766095825. The cubic root of 32402013 is about 318.8041728764.

Adding to 32402013 its reverse (31020423), we get a palindrome (63422436).

It can be divided in two parts, 3240 and 2013, that added together give a triangular number (5253 = T₁₀₂).

The spelling of 32402013 in words is "thirty-two million, four hundred two thousand, thirteen".