12737745 has 48 divisors (see below), whose sum is σ = 23841792. Its totient is φ = 6272640.

The previous prime is 12737729. The next prime is 12737759. The reversal of 12737745 is 54773721.

It is not a de Polignac number, because 12737745 - 2⁴ = 12737729 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 31887 + ... + 32283.

It is an arithmetic number, because the mean of its divisors is an integer number (496704).

Almost surely, 2^12737745 is an apocalyptic number.

12737745 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12737745 is a deficient number, since it is larger than the sum of its proper divisors (11104047).

12737745 is a wasteful number, since it uses less digits than its factorization.

12737745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 462 (or 459 counting only the distinct ones).

The product of its digits is 41160, while the sum is 36.

The square root of 12737745 is about 3568.9977584751. The cubic root of 12737745 is about 233.5415635500.

The spelling of 12737745 in words is "twelve million, seven hundred thirty-seven thousand, seven hundred forty-five".