12631354 has 4 divisors (see below), whose sum is σ = 18947034. Its totient is φ = 6315676.

The previous prime is 12631351. The next prime is 12631361. The reversal of 12631354 is 45313621.

12631354 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 45313621 = 557 ⋅81353.

It can be written as a sum of positive squares in only one way, i.e., 10595025 + 2036329 = 3255^2 + 1427^2 .

It is a super-2 number, since 2×12631354² = 319102207746632, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12631351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3157837 + ... + 3157840.

Almost surely, 2^12631354 is an apocalyptic number.

12631354 is a deficient number, since it is larger than the sum of its proper divisors (6315680).

12631354 is an equidigital number, since it uses as much as digits as its factorization.

12631354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6315679.

The product of its digits is 2160, while the sum is 25.

The square root of 12631354 is about 3554.0616201749. The cubic root of 12631354 is about 232.8895323877.

Adding to 12631354 its reverse (45313621), we get a palindrome (57944975).

The spelling of 12631354 in words is "twelve million, six hundred thirty-one thousand, three hundred fifty-four".