11989962 has 12 divisors (see below), whose sum is σ = 25978290. Its totient is φ = 3996648.

The previous prime is 11989951. The next prime is 11989973. The reversal of 11989962 is 26998911.

It is an interprime number because it is at equal distance from previous prime (11989951) and next prime (11989973).

It can be written as a sum of positive squares in only one way, i.e., 11964681 + 25281 = 3459^2 + 159^2 .

It is a super-2 number, since 2×11989962² = 287518377522888, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 333037 + ... + 333072.

Almost surely, 2^11989962 is an apocalyptic number.

11989962 is an abundant number, since it is smaller than the sum of its proper divisors (13988328).

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

11989962 is a wasteful number, since it uses less digits than its factorization.

11989962 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 666117 (or 666114 counting only the distinct ones).

The product of its digits is 69984, while the sum is 45.

The square root of 11989962 is about 3462.6524515175. The cubic root of 11989962 is about 228.8789938049.

The spelling of 11989962 in words is "eleven million, nine hundred eighty-nine thousand, nine hundred sixty-two".