12497954406 has 192 divisors, whose sum is σ = 32326387200. Its totient is φ = 3196537344.

The previous prime is 12497954401. The next prime is 12497954431. The reversal of 12497954406 is 60445979421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12497954401) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 11433996 + ... + 11435088.

It is an arithmetic number, because the mean of its divisors is an integer number (168366600).

Almost surely, 2^12497954406 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12497954406, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16163193600).

12497954406 is an abundant number, since it is smaller than the sum of its proper divisors (19828432794).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12497954406 is a wasteful number, since it uses less digits than its factorization.

12497954406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1243 (or 1236 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 51.

The spelling of 12497954406 in words is "twelve billion, four hundred ninety-seven million, nine hundred fifty-four thousand, four hundred six".