11699401 has 4 divisors (see below), whose sum is σ = 13370752. Its totient is φ = 10028052.

The previous prime is 11699399. The next prime is 11699407. The reversal of 11699401 is 10499611.

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: 10499611 = 43 ⋅244177.

It is a cyclic number.

It is not a de Polignac number, because 11699401 - 2¹ = 11699399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11699407) 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, 835665 + ... + 835678.

It is an arithmetic number, because the mean of its divisors is an integer number (3342688).

Almost surely, 2^11699401 is an apocalyptic number.

It is an amenable number.

11699401 is a deficient number, since it is larger than the sum of its proper divisors (1671351).

11699401 is an equidigital number, since it uses as much as digits as its factorization.

11699401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1671350.

The product of its (nonzero) digits is 1944, while the sum is 31.

The square root of 11699401 is about 3420.4387145511. The cubic root of 11699401 is about 227.0149938022.

It can be divided in two parts, 11699 and 401, that added together give a square (12100 = 110²).

The spelling of 11699401 in words is "eleven million, six hundred ninety-nine thousand, four hundred one".