12739354 has 4 divisors (see below), whose sum is σ = 19109034. Its totient is φ = 6369676.

The previous prime is 12739343. The next prime is 12739373. The reversal of 12739354 is 45393721.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 8838729 + 3900625 = 2973^2 + 1975^2 .

It is a super-2 number, since 2×12739354² = 324582280674632, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3184837 + ... + 3184840.

Almost surely, 2^12739354 is an apocalyptic number.

12739354 is a deficient number, since it is larger than the sum of its proper divisors (6369680).

12739354 is an equidigital number, since it uses as much as digits as its factorization.

12739354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6369679.

The product of its digits is 22680, while the sum is 34.

The square root of 12739354 is about 3569.2231647797. The cubic root of 12739354 is about 233.5513965975.

The spelling of 12739354 in words is "twelve million, seven hundred thirty-nine thousand, three hundred fifty-four".