12792870 has 32 divisors (see below), whose sum is σ = 34115040. Its totient is φ = 3411360.

The previous prime is 12792869. The next prime is 12792877. The reversal of 12792870 is 7829721.

12792870 = T₂₀ + T₂₁ + ... + T₄₂₄.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12792877) 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, 23421 + ... + 23960.

It is an arithmetic number, because the mean of its divisors is an integer number (1066095).

Almost surely, 2^12792870 is an apocalyptic number.

12792870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12792870 is an abundant number, since it is smaller than the sum of its proper divisors (21322170).

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

12792870 is a wasteful number, since it uses less digits than its factorization.

12792870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47397 (or 47391 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 36.

The square root of 12792870 is about 3576.7121774054. The cubic root of 12792870 is about 233.8779771430.

The spelling of 12792870 in words is "twelve million, seven hundred ninety-two thousand, eight hundred seventy".