12992745 has 8 divisors (see below), whose sum is σ = 20788416. Its totient is φ = 6929456.

The previous prime is 12992717. The next prime is 12992753. The reversal of 12992745 is 54729921.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12992745 - 2⁸ = 12992489 is a prime.

It is a super-2 number, since 2×12992745² = 337622845270050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 433077 + ... + 433106.

It is an arithmetic number, because the mean of its divisors is an integer number (2598552).

Almost surely, 2^12992745 is an apocalyptic number.

12992745 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12992745 is a deficient number, since it is larger than the sum of its proper divisors (7795671).

12992745 is an equidigital number, since it uses as much as digits as its factorization.

12992745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 866191.

The product of its digits is 45360, while the sum is 39.

The square root of 12992745 is about 3604.5450475754. The cubic root of 12992745 is about 235.0897197784.

The spelling of 12992745 in words is "twelve million, nine hundred ninety-two thousand, seven hundred forty-five".