11261390 has 16 divisors (see below), whose sum is σ = 23166432. Its totient is φ = 3861024.

The previous prime is 11261359. The next prime is 11261407. The reversal of 11261390 is 9316211.

It is a happy number.

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, 80369 + ... + 80508.

It is an arithmetic number, because the mean of its divisors is an integer number (1447902).

Almost surely, 2^11261390 is an apocalyptic number.

11261390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11261390 is an abundant number, since it is smaller than the sum of its proper divisors (11905042).

11261390 is a wasteful number, since it uses less digits than its factorization.

11261390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160891.

The product of its (nonzero) digits is 324, while the sum is 23.

The square root of 11261390 is about 3355.7994576554. The cubic root of 11261390 is about 224.1458313777.

The spelling of 11261390 in words is "eleven million, two hundred sixty-one thousand, three hundred ninety".