11972270 has 16 divisors (see below), whose sum is σ = 21621168. Its totient is φ = 4773120.

The previous prime is 11972269. The next prime is 11972309. The reversal of 11972270 is 7227911.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1502 + ... + 5118.

It is an arithmetic number, because the mean of its divisors is an integer number (1351323).

Almost surely, 2^11972270 is an apocalyptic number.

11972270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11972270 is a deficient number, since it is larger than the sum of its proper divisors (9648898).

11972270 is a wasteful number, since it uses less digits than its factorization.

11972270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3955.

The product of its (nonzero) digits is 1764, while the sum is 29.

The square root of 11972270 is about 3460.0968194546. The cubic root of 11972270 is about 228.7663629093.

The spelling of 11972270 in words is "eleven million, nine hundred seventy-two thousand, two hundred seventy".