13387436 has 6 divisors (see below), whose sum is σ = 23428020. Its totient is φ = 6693716.

The previous prime is 13387427. The next prime is 13387447. The reversal of 13387436 is 63478331.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 13387396 and 13387405.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1673426 + ... + 1673433.

It is an arithmetic number, because the mean of its divisors is an integer number (3904670).

Almost surely, 2^13387436 is an apocalyptic number.

It is an amenable number.

13387436 is a deficient number, since it is larger than the sum of its proper divisors (10040584).

13387436 is a wasteful number, since it uses less digits than its factorization.

13387436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3346863 (or 3346861 counting only the distinct ones).

The product of its digits is 36288, while the sum is 35.

The square root of 13387436 is about 3658.8845294707. The cubic root of 13387436 is about 237.4465164886.

The spelling of 13387436 in words is "thirteen million, three hundred eighty-seven thousand, four hundred thirty-six".