12900734 has 32 divisors (see below), whose sum is σ = 25401600. Its totient is φ = 4760640.

The previous prime is 12900733. The next prime is 12900757. The reversal of 12900734 is 43700921.

Together with 12500865 it forms a betrothed pair.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12900733) 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, 722 + ... + 5130.

It is an arithmetic number, because the mean of its divisors is an integer number (793800).

Almost surely, 2^12900734 is an apocalyptic number.

12900734 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

12900734 is a deficient number, since it is larger than the sum of its proper divisors (12500866).

12900734 is a wasteful number, since it uses less digits than its factorization.

12900734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4448.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 12900734 is about 3591.7591790096. The cubic root of 12900734 is about 234.5334579763.

The spelling of 12900734 in words is "twelve million, nine hundred thousand, seven hundred thirty-four".