11149973 has 2 divisors, whose sum is σ = 11149974. Its totient is φ = 11149972.

The previous prime is 11149967. The next prime is 11150021. The reversal of 11149973 is 37994111.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8076964 + 3073009 = 2842^2 + 1753^2 .

It is a cyclic number.

It is not a de Polignac number, because 11149973 - 2²⁰ = 10101397 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is equal to p₇₃₅₇₆₇ and since 11149973 and 735767 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11149673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5574986 + 5574987.

It is an arithmetic number, because the mean of its divisors is an integer number (5574987).

Almost surely, 2^11149973 is an apocalyptic number.

It is an amenable number.

11149973 is a deficient number, since it is larger than the sum of its proper divisors (1).

11149973 is an equidigital number, since it uses as much as digits as its factorization.

11149973 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6804, while the sum is 35.

The square root of 11149973 is about 3339.1575284793. The cubic root of 11149973 is about 223.4041682687.

It can be divided in two parts, 1114997 and 3, that multiplied together give a triangular number (3344991 = T₂₅₈₆).

The spelling of 11149973 in words is "eleven million, one hundred forty-nine thousand, nine hundred seventy-three".