11612421 has 12 divisors (see below), whose sum is σ = 16803072. Its totient is φ = 7727976.

The previous prime is 11612407. The next prime is 11612423. The reversal of 11612421 is 12421611.

11612421 is a `hidden beast` number, since 11 + 612 + 42 + 1 = 666.

It is not a de Polignac number, because 11612421 - 2²¹ = 9515269 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 11612394 and 11612403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11612423) 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, 9190 + ... + 10376.

It is an arithmetic number, because the mean of its divisors is an integer number (1400256).

Almost surely, 2^11612421 is an apocalyptic number.

It is an amenable number.

11612421 is a deficient number, since it is larger than the sum of its proper divisors (5190651).

11612421 is a wasteful number, since it uses less digits than its factorization.

11612421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2280 (or 2277 counting only the distinct ones).

The product of its digits is 96, while the sum is 18.

The square root of 11612421 is about 3407.7002509024. The cubic root of 11612421 is about 226.4510076338.

The spelling of 11612421 in words is "eleven million, six hundred twelve thousand, four hundred twenty-one".