11351973 has 4 divisors (see below), whose sum is σ = 15135968. Its totient is φ = 7567980.

The previous prime is 11351969. The next prime is 11351981. The reversal of 11351973 is 37915311.

It is a happy number.

11351973 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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.

It is not a de Polignac number, because 11351973 - 2² = 11351969 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11351973.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11351953) 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, 1891993 + ... + 1891998.

It is an arithmetic number, because the mean of its divisors is an integer number (3783992).

Almost surely, 2^11351973 is an apocalyptic number.

It is an amenable number.

11351973 is a deficient number, since it is larger than the sum of its proper divisors (3783995).

11351973 is an equidigital number, since it uses as much as digits as its factorization.

11351973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3783994.

The product of its digits is 2835, while the sum is 30.

The square root of 11351973 is about 3369.2689117967. The cubic root of 11351973 is about 224.7452128257.

The spelling of 11351973 in words is "eleven million, three hundred fifty-one thousand, nine hundred seventy-three".