11420765 has 16 divisors (see below), whose sum is σ = 14611968. Its totient is φ = 8549376.

The previous prime is 11420713. The next prime is 11420789. The reversal of 11420765 is 56702411.

11420765 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11420765 - 2¹⁸ = 11158621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4349 + ... + 6461.

It is an arithmetic number, because the mean of its divisors is an integer number (913248).

Almost surely, 2^11420765 is an apocalyptic number.

It is an amenable number.

11420765 is a deficient number, since it is larger than the sum of its proper divisors (3191203).

11420765 is a wasteful number, since it uses less digits than its factorization.

11420765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2188.

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 11420765 is about 3379.4622353268. The cubic root of 11420765 is about 225.1982778941.

The spelling of 11420765 in words is "eleven million, four hundred twenty thousand, seven hundred sixty-five".