12487867601 has 16 divisors (see below), whose sum is σ = 13975944768. Its totient is φ = 11062075200.

The previous prime is 12487867597. The next prime is 12487867631. The reversal of 12487867601 is 10676878421.

It is a happy number.

It is not a de Polignac number, because 12487867601 - 2² = 12487867597 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12487867601.

It is not an unprimeable number, because it can be changed into a prime (12487867631) 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, 15170 + ... + 158763.

It is an arithmetic number, because the mean of its divisors is an integer number (873496548).

Almost surely, 2^12487867601 is an apocalyptic number.

12487867601 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12487867601 is a deficient number, since it is larger than the sum of its proper divisors (1488077167).

12487867601 is a wasteful number, since it uses less digits than its factorization.

12487867601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174112.

The product of its (nonzero) digits is 903168, while the sum is 50.

It can be divided in two parts, 12487 and 867601, that added together give a palindrome (880088).

The spelling of 12487867601 in words is "twelve billion, four hundred eighty-seven million, eight hundred sixty-seven thousand, six hundred one".