12272380 has 24 divisors (see below), whose sum is σ = 26086032. Its totient is φ = 4849152.

The previous prime is 12272357. The next prime is 12272383. The reversal of 12272380 is 8327221.

It is a super-2 number, since 2×12272380² = 301222621728800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12272383) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2037 + ... + 5356.

It is an arithmetic number, because the mean of its divisors is an integer number (1086918).

Almost surely, 2^12272380 is an apocalyptic number.

12272380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12272380 is an abundant number, since it is smaller than the sum of its proper divisors (13813652).

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

12272380 is a wasteful number, since it uses less digits than its factorization.

12272380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7485 (or 7483 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 12272380 is about 3503.1956839434. The cubic root of 12272380 is about 230.6621122797.

The spelling of 12272380 in words is "twelve million, two hundred seventy-two thousand, three hundred eighty".