11397790 has 8 divisors (see below), whose sum is σ = 20516040. Its totient is φ = 4559112.

The previous prime is 11397787. The next prime is 11397817. The reversal of 11397790 is 9779311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 569880 + ... + 569899.

It is an arithmetic number, because the mean of its divisors is an integer number (2564505).

Almost surely, 2^11397790 is an apocalyptic number.

11397790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11397790 is a deficient number, since it is larger than the sum of its proper divisors (9118250).

11397790 is a wasteful number, since it uses less digits than its factorization.

11397790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1139786.

The product of its (nonzero) digits is 11907, while the sum is 37.

The square root of 11397790 is about 3376.0613146091. The cubic root of 11397790 is about 225.0471670663.

It can be divided in two parts, 113 and 97790, that added together give a triangular number (97903 = T₄₄₂).

The spelling of 11397790 in words is "eleven million, three hundred ninety-seven thousand, seven hundred ninety".