11630655 has 32 divisors (see below), whose sum is σ = 20905920. Its totient is φ = 6134400.

The previous prime is 11630639. The next prime is 11630677. The reversal of 11630655 is 55603611.

It is a happy number.

11630655 is a `hidden beast` number, since 1 + 1 + 6 + 3 + 0 + 655 = 666.

It is not a de Polignac number, because 11630655 - 2⁴ = 11630639 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13209 + ... + 14061.

It is an arithmetic number, because the mean of its divisors is an integer number (653310).

Almost surely, 2^11630655 is an apocalyptic number.

11630655 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11630655 is a deficient number, since it is larger than the sum of its proper divisors (9275265).

11630655 is a wasteful number, since it uses less digits than its factorization.

11630655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 968 (or 962 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

The square root of 11630655 is about 3410.3746128541. The cubic root of 11630655 is about 226.5694712560.

The spelling of 11630655 in words is "eleven million, six hundred thirty thousand, six hundred fifty-five".