12612394 has 4 divisors (see below), whose sum is σ = 18918594. Its totient is φ = 6306196.

The previous prime is 12612367. The next prime is 12612407. The reversal of 12612394 is 49321621.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 49321621 = 3911 ⋅12611.

It can be written as a sum of positive squares in only one way, i.e., 12567025 + 45369 = 3545^2 + 213^2 .

It is a super-2 number, since 2×12612394² = 318144964822472, 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, 3153097 + ... + 3153100.

Almost surely, 2^12612394 is an apocalyptic number.

12612394 is a deficient number, since it is larger than the sum of its proper divisors (6306200).

12612394 is an equidigital number, since it uses as much as digits as its factorization.

12612394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6306199.

The product of its digits is 2592, while the sum is 28.

The square root of 12612394 is about 3551.3932477269. The cubic root of 12612394 is about 232.7729495658.

It can be divided in two parts, 12612 and 394, that multiplied together give a triangular number (4969128 = T₃₁₅₂).

The spelling of 12612394 in words is "twelve million, six hundred twelve thousand, three hundred ninety-four".