12901274 has 4 divisors (see below), whose sum is σ = 19351914. Its totient is φ = 6450636.

The previous prime is 12901267. The next prime is 12901277. The reversal of 12901274 is 47210921.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 47210921 = 17 ⋅2777113.

It can be written as a sum of positive squares in only one way, i.e., 10195249 + 2706025 = 3193^2 + 1645^2 .

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (12901277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3225317 + ... + 3225320.

Almost surely, 2^12901274 is an apocalyptic number.

12901274 is a deficient number, since it is larger than the sum of its proper divisors (6450640).

12901274 is an equidigital number, since it uses as much as digits as its factorization.

12901274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6450639.

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 12901274 is about 3591.8343503007. The cubic root of 12901274 is about 234.5367303043.

The spelling of 12901274 in words is "twelve million, nine hundred one thousand, two hundred seventy-four".