10987953 has 4 divisors (see below), whose sum is σ = 14650608. Its totient is φ = 7325300.

The previous prime is 10987931. The next prime is 10987957. The reversal of 10987953 is 35978901.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10987953 - 2¹⁰ = 10986929 is a prime.

It is a super-2 number, since 2×10987953² = 241470222260418, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10987957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1831323 + ... + 1831328.

It is an arithmetic number, because the mean of its divisors is an integer number (3662652).

Almost surely, 2^10987953 is an apocalyptic number.

It is an amenable number.

10987953 is a deficient number, since it is larger than the sum of its proper divisors (3662655).

10987953 is an equidigital number, since it uses as much as digits as its factorization.

10987953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3662654.

The product of its (nonzero) digits is 68040, while the sum is 42.

The square root of 10987953 is about 3314.8081392443. The cubic root of 10987953 is about 222.3167906481.

The spelling of 10987953 in words is "ten million, nine hundred eighty-seven thousand, nine hundred fifty-three".