11880421 has 8 divisors (see below), whose sum is σ = 13800704. Its totient is φ = 10015920.

The previous prime is 11880419. The next prime is 11880457. The reversal of 11880421 is 12408811.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11880421 - 2¹ = 11880419 is a prime.

It is a super-2 number, since 2×11880421² = 282288806274482, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11880461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13485 + ... + 14338.

It is an arithmetic number, because the mean of its divisors is an integer number (1725088).

Almost surely, 2^11880421 is an apocalyptic number.

It is an amenable number.

11880421 is a deficient number, since it is larger than the sum of its proper divisors (1920283).

11880421 is an equidigital number, since it uses as much as digits as its factorization.

11880421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27891.

The product of its (nonzero) digits is 512, while the sum is 25.

The square root of 11880421 is about 3446.7986596261. The cubic root of 11880421 is about 228.1798429724.

The spelling of 11880421 in words is "eleven million, eight hundred eighty thousand, four hundred twenty-one".