12494772 has 36 divisors (see below), whose sum is σ = 31695300. Its totient is φ = 4150272.

The previous prime is 12494771. The next prime is 12494777. The reversal of 12494772 is 27749421.

It can be written as a sum of positive squares in 2 ways, for example, as 3709476 + 8785296 = 1926^2 + 2964^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×12494772² = 312238654663968, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12494771) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15778 + ... + 16550.

It is an arithmetic number, because the mean of its divisors is an integer number (880425).

Almost surely, 2^12494772 is an apocalyptic number.

12494772 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12494772 is an abundant number, since it is smaller than the sum of its proper divisors (19200528).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12494772 is a wasteful number, since it uses less digits than its factorization.

12494772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1232 (or 1227 counting only the distinct ones).

The product of its digits is 28224, while the sum is 36.

The square root of 12494772 is about 3534.7944777596. The cubic root of 12494772 is about 232.0470822003.

The spelling of 12494772 in words is "twelve million, four hundred ninety-four thousand, seven hundred seventy-two".