11958630 has 16 divisors (see below), whose sum is σ = 28700784. Its totient is φ = 3188960.

The previous prime is 11958613. The next prime is 11958631. The reversal of 11958630 is 3685911.

It is a junction number, because it is equal to n+sod(n) for n = 11958591 and 11958600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11958631) 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, 199281 + ... + 199340.

It is an arithmetic number, because the mean of its divisors is an integer number (1793799).

Almost surely, 2^11958630 is an apocalyptic number.

11958630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11958630 is an abundant number, since it is smaller than the sum of its proper divisors (16742154).

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

11958630 is a wasteful number, since it uses less digits than its factorization.

11958630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398631.

The product of its (nonzero) digits is 6480, while the sum is 33.

The square root of 11958630 is about 3458.1252146214. The cubic root of 11958630 is about 228.6794521019.

The spelling of 11958630 in words is "eleven million, nine hundred fifty-eight thousand, six hundred thirty".