11906420 has 24 divisors (see below), whose sum is σ = 25288200. Its totient is φ = 4708352.

The previous prime is 11906417. The next prime is 11906423. The reversal of 11906420 is 2460911.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (11906417) and next prime (11906423).

It can be written as a sum of positive squares in 4 ways, for example, as 1317904 + 10588516 = 1148^2 + 3254^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11906423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1565 + ... + 5124.

It is an arithmetic number, because the mean of its divisors is an integer number (1053675).

Almost surely, 2^11906420 is an apocalyptic number.

11906420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11906420 is an abundant number, since it is smaller than the sum of its proper divisors (13381780).

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

11906420 is a wasteful number, since it uses less digits than its factorization.

11906420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6787 (or 6785 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 11906420 is about 3450.5680691735. The cubic root of 11906420 is about 228.3461705654.

The spelling of 11906420 in words is "eleven million, nine hundred six thousand, four hundred twenty".