11620453 has 4 divisors (see below), whose sum is σ = 12514348. Its totient is φ = 10726560.

The previous prime is 11620447. The next prime is 11620459. The reversal of 11620453 is 35402611.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 35402611 = 569 ⋅62219.

It is an interprime number because it is at equal distance from previous prime (11620447) and next prime (11620459).

It can be written as a sum of positive squares in 2 ways, for example, as 4870849 + 6749604 = 2207^2 + 2598^2 .

It is not a de Polignac number, because 11620453 - 2¹³ = 11612261 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11620459) 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, 446928 + ... + 446953.

It is an arithmetic number, because the mean of its divisors is an integer number (3128587).

Almost surely, 2^11620453 is an apocalyptic number.

11620453 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

11620453 is a deficient number, since it is larger than the sum of its proper divisors (893895).

11620453 is an equidigital number, since it uses as much as digits as its factorization.

11620453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 893894.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 11620453 is about 3408.8785545983. The cubic root of 11620453 is about 226.5032056295.

The spelling of 11620453 in words is "eleven million, six hundred twenty thousand, four hundred fifty-three".