11607421 has 4 divisors (see below), whose sum is σ = 13265632. Its totient is φ = 9949212.

The previous prime is 11607403. The next prime is 11607439. The reversal of 11607421 is 12470611.

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, and also an emirpimes, since its reverse is a distinct semiprime: 12470611 = 97 ⋅128563.

It is an interprime number because it is at equal distance from previous prime (11607403) and next prime (11607439).

It is not a de Polignac number, because 11607421 - 2⁵ = 11607389 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11607392 and 11607401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11607451) 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, 829095 + ... + 829108.

It is an arithmetic number, because the mean of its divisors is an integer number (3316408).

Almost surely, 2^11607421 is an apocalyptic number.

It is an amenable number.

11607421 is a deficient number, since it is larger than the sum of its proper divisors (1658211).

11607421 is an equidigital number, since it uses as much as digits as its factorization.

11607421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1658210.

The product of its (nonzero) digits is 336, while the sum is 22.

The square root of 11607421 is about 3406.9665393132. The cubic root of 11607421 is about 226.4185017052.

The spelling of 11607421 in words is "eleven million, six hundred seven thousand, four hundred twenty-one".