11620355 has 16 divisors (see below), whose sum is σ = 14265504. Its totient is φ = 9085440.

The previous prime is 11620351. The next prime is 11620369. The reversal of 11620355 is 55302611.

11620355 = T₃₅₄ + T₃₅₅ + ... + T₄₈₄.

It is not a de Polignac number, because 11620355 - 2² = 11620351 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11620355.

It is not an unprimeable number, because it can be changed into a prime (11620351) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73937 + ... + 74093.

It is an arithmetic number, because the mean of its divisors is an integer number (891594).

Almost surely, 2^11620355 is an apocalyptic number.

11620355 is a deficient number, since it is larger than the sum of its proper divisors (2645149).

11620355 is a wasteful number, since it uses less digits than its factorization.

11620355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406.

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 11620355 is about 3408.8641803393. The cubic root of 11620355 is about 226.5025688965.

Adding to 11620355 its reverse (55302611), we get a palindrome (66922966).

The spelling of 11620355 in words is "eleven million, six hundred twenty thousand, three hundred fifty-five".