13402036 has 12 divisors (see below), whose sum is σ = 23546628. Its totient is φ = 6674432.

The previous prime is 13402033. The next prime is 13402043. The reversal of 13402036 is 63020431.

It can be written as a sum of positive squares in 2 ways, for example, as 11696400 + 1705636 = 3420^2 + 1306^2 .

It is a super-2 number, since 2×13402036² = 359229137890592, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13402033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5491 + ... + 7546.

It is an arithmetic number, because the mean of its divisors is an integer number (1962219).

Almost surely, 2^13402036 is an apocalyptic number.

It is an amenable number.

13402036 is a deficient number, since it is larger than the sum of its proper divisors (10144592).

13402036 is a wasteful number, since it uses less digits than its factorization.

13402036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13298 (or 13296 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 13402036 is about 3660.8791293896. The cubic root of 13402036 is about 237.5328028560.

Adding to 13402036 its reverse (63020431), we get a palindrome (76422467).

The spelling of 13402036 in words is "thirteen million, four hundred two thousand, thirty-six".