11420456 has 16 divisors (see below), whose sum is σ = 21912000. Its totient is φ = 5577264.

The previous prime is 11420441. The next prime is 11420471. The reversal of 11420456 is 65402411.

It is an interprime number because it is at equal distance from previous prime (11420441) and next prime (11420471).

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, 16256 + ... + 16943.

It is an arithmetic number, because the mean of its divisors is an integer number (1369500).

Almost surely, 2^11420456 is an apocalyptic number.

It is an amenable number.

11420456 is a deficient number, since it is larger than the sum of its proper divisors (10491544).

11420456 is a wasteful number, since it uses less digits than its factorization.

11420456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33248 (or 33244 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 11420456 is about 3379.4165176847. The cubic root of 11420456 is about 225.1962468890.

Adding to 11420456 its reverse (65402411), we get a palindrome (76822867).

The spelling of 11420456 in words is "eleven million, four hundred twenty thousand, four hundred fifty-six".