11956003 has 2 divisors, whose sum is σ = 11956004. Its totient is φ = 11956002.

The previous prime is 11955989. The next prime is 11956037. The reversal of 11956003 is 30065911.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11956003 - 2¹³ = 11947811 is a prime.

It is not a weakly prime, because it can be changed into another prime (11956093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5978001 + 5978002.

It is an arithmetic number, because the mean of its divisors is an integer number (5978002).

Almost surely, 2^11956003 is an apocalyptic number.

11956003 is a deficient number, since it is larger than the sum of its proper divisors (1).

11956003 is an equidigital number, since it uses as much as digits as its factorization.

11956003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 810, while the sum is 25.

The square root of 11956003 is about 3457.7453636727. The cubic root of 11956003 is about 228.6627058995.

The spelling of 11956003 in words is "eleven million, nine hundred fifty-six thousand, three".