12752650137 has 16 divisors (see below), whose sum is σ = 17403024320. Its totient is φ = 8302113792.

The previous prime is 12752650133. The next prime is 12752650159. The reversal of 12752650137 is 73105625721.

It is a happy number.

It is not a de Polignac number, because 12752650137 - 2² = 12752650133 is a prime.

It is a super-2 number, since 2×12752650137² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12752650095 and 12752650104.

It is not an unprimeable number, because it can be changed into a prime (12752650133) 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, 725193 + ... + 742569.

It is an arithmetic number, because the mean of its divisors is an integer number (1087689020).

Almost surely, 2^12752650137 is an apocalyptic number.

It is an amenable number.

12752650137 is a deficient number, since it is larger than the sum of its proper divisors (4650374183).

12752650137 is a wasteful number, since it uses less digits than its factorization.

12752650137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23112.

The product of its (nonzero) digits is 88200, while the sum is 39.

The spelling of 12752650137 in words is "twelve billion, seven hundred fifty-two million, six hundred fifty thousand, one hundred thirty-seven".