11457620 has 12 divisors (see below), whose sum is σ = 24061044. Its totient is φ = 4583040.

The previous prime is 11457601. The next prime is 11457629. The reversal of 11457620 is 2675411.

11457620 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 6980164 + 4477456 = 2642^2 + 2116^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 11457620.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11457629) 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, 286421 + ... + 286460.

It is an arithmetic number, because the mean of its divisors is an integer number (2005087).

Almost surely, 2^11457620 is an apocalyptic number.

11457620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11457620 is an abundant number, since it is smaller than the sum of its proper divisors (12603424).

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

11457620 is a wasteful number, since it uses less digits than its factorization.

11457620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 572890 (or 572888 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 11457620 is about 3384.9106339754. The cubic root of 11457620 is about 225.4402573285.

The spelling of 11457620 in words is "eleven million, four hundred fifty-seven thousand, six hundred twenty".