13257100436 has 12 divisors (see below), whose sum is σ = 23218017312. Its totient is φ = 6623381208.

The previous prime is 13257100421. The next prime is 13257100447. The reversal of 13257100436 is 63400175231.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1286480 + ... + 1296743.

It is an arithmetic number, because the mean of its divisors is an integer number (1934834776).

Almost surely, 2^13257100436 is an apocalyptic number.

It is an amenable number.

13257100436 is a deficient number, since it is larger than the sum of its proper divisors (9960916876).

13257100436 is a wasteful number, since it uses less digits than its factorization.

13257100436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2584510 (or 2584508 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 32.

Adding to 13257100436 its reverse (63400175231), we get a palindrome (76657275667).

The spelling of 13257100436 in words is "thirteen billion, two hundred fifty-seven million, one hundred thousand, four hundred thirty-six".