12772394 has 4 divisors (see below), whose sum is σ = 19158594. Its totient is φ = 6386196.

The previous prime is 12772393. The next prime is 12772433. The reversal of 12772394 is 49327721.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 49327721 = 1637 ⋅30133.

It can be written as a sum of positive squares in only one way, i.e., 9579025 + 3193369 = 3095^2 + 1787^2 .

It is not an unprimeable number, because it can be changed into a prime (12772393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3193097 + ... + 3193100.

Almost surely, 2^12772394 is an apocalyptic number.

12772394 is a deficient number, since it is larger than the sum of its proper divisors (6386200).

12772394 is an equidigital number, since it uses as much as digits as its factorization.

12772394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6386199.

The product of its digits is 21168, while the sum is 35.

The square root of 12772394 is about 3573.8486257815. The cubic root of 12772394 is about 233.7531304451.

The spelling of 12772394 in words is "twelve million, seven hundred seventy-two thousand, three hundred ninety-four".