11956490 has 48 divisors (see below), whose sum is σ = 26975592. Its totient is φ = 3782016.

The previous prime is 11956489. The next prime is 11956519. The reversal of 11956490 is 9465911.

It can be written as a sum of positive squares in 4 ways, for example, as 8196769 + 3759721 = 2863^2 + 1939^2 .

It is a super-3 number, since 3×11956490³ (a number of 22 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 11956490.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5432 + ... + 7308.

Almost surely, 2^11956490 is an apocalyptic number.

11956490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11956490 is an abundant number, since it is smaller than the sum of its proper divisors (15019102).

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

11956490 is a wasteful number, since it uses less digits than its factorization.

11956490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1911 (or 1904 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 35.

The square root of 11956490 is about 3457.8157845669. The cubic root of 11956490 is about 228.6658105387.

The spelling of 11956490 in words is "eleven million, nine hundred fifty-six thousand, four hundred ninety".