11261790 has 24 divisors (see below), whose sum is σ = 29280888. Its totient is φ = 3003120.

The previous prime is 11261779. The next prime is 11261791. The reversal of 11261790 is 9716211.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11261791) 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, 62476 + ... + 62655.

It is an arithmetic number, because the mean of its divisors is an integer number (1220037).

Almost surely, 2^11261790 is an apocalyptic number.

11261790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11261790 is an abundant number, since it is smaller than the sum of its proper divisors (18019098).

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

11261790 is a wasteful number, since it uses less digits than its factorization.

11261790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125144 (or 125141 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 27.

The square root of 11261790 is about 3355.8590554432. The cubic root of 11261790 is about 224.1484852025.

It can be divided in two parts, 1126 and 1790, that added together give a square (2916 = 54²).

The spelling of 11261790 in words is "eleven million, two hundred sixty-one thousand, seven hundred ninety".