12774890 has 32 divisors (see below), whose sum is σ = 24382080. Its totient is φ = 4809024.

The previous prime is 12774889. The next prime is 12774893. The reversal of 12774890 is 9847721.

It is not an unprimeable number, because it can be changed into a prime (12774893) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14996 + ... + 15824.

It is an arithmetic number, because the mean of its divisors is an integer number (761940).

Almost surely, 2^12774890 is an apocalyptic number.

12774890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12774890 is a deficient number, since it is larger than the sum of its proper divisors (11607190).

12774890 is a wasteful number, since it uses less digits than its factorization.

12774890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 926.

The product of its (nonzero) digits is 28224, while the sum is 38.

The square root of 12774890 is about 3574.1978120971. The cubic root of 12774890 is about 233.7683562467.

The spelling of 12774890 in words is "twelve million, seven hundred seventy-four thousand, eight hundred ninety".