11672001 has 12 divisors (see below), whose sum is σ = 18392400. Its totient is φ = 7073880.

The previous prime is 11671991. The next prime is 11672009. The reversal of 11672001 is 10027611.

It is not a de Polignac number, because 11672001 - 2⁶ = 11671937 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11672009) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 58851 + ... + 59048.

It is an arithmetic number, because the mean of its divisors is an integer number (1532700).

Almost surely, 2^11672001 is an apocalyptic number.

11672001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11672001 is a deficient number, since it is larger than the sum of its proper divisors (6720399).

11672001 is a wasteful number, since it uses less digits than its factorization.

11672001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117916 (or 117913 counting only the distinct ones).

The product of its (nonzero) digits is 84, while the sum is 18.

The square root of 11672001 is about 3416.4310325250. The cubic root of 11672001 is about 226.8376322128.

Adding to 11672001 its reverse (10027611), we get a palindrome (21699612).

The spelling of 11672001 in words is "eleven million, six hundred seventy-two thousand, one".