10991452 has 12 divisors (see below), whose sum is σ = 20366640. Its totient is φ = 5172416.

The previous prime is 10991429. The next prime is 10991459. The reversal of 10991452 is 25419901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10991459) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80752 + ... + 80887.

It is an arithmetic number, because the mean of its divisors is an integer number (1697220).

Almost surely, 2^10991452 is an apocalyptic number.

It is an amenable number.

10991452 is a deficient number, since it is larger than the sum of its proper divisors (9375188).

10991452 is a wasteful number, since it uses less digits than its factorization.

10991452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161660 (or 161658 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 31.

The square root of 10991452 is about 3315.3358804200. The cubic root of 10991452 is about 222.3403863046.

The spelling of 10991452 in words is "ten million, nine hundred ninety-one thousand, four hundred fifty-two".