11421673 has 2 divisors, whose sum is σ = 11421674. Its totient is φ = 11421672.

The previous prime is 11421661. The next prime is 11421677. The reversal of 11421673 is 37612411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10323369 + 1098304 = 3213^2 + 1048^2 .

It is an emirp because it is prime and its reverse (37612411) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11421673 - 2¹³ = 11413481 is a prime.

It is a super-2 number, since 2×11421673² = 260909228237858, which contains 22 as substring.

It is equal to p₇₅₂₄₇₀ and since 11421673 and 752470 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (11421677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5710836 + 5710837.

It is an arithmetic number, because the mean of its divisors is an integer number (5710837).

Almost surely, 2^11421673 is an apocalyptic number.

It is an amenable number.

11421673 is a deficient number, since it is larger than the sum of its proper divisors (1).

11421673 is an equidigital number, since it uses as much as digits as its factorization.

11421673 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1008, while the sum is 25.

The square root of 11421673 is about 3379.5965735573. The cubic root of 11421673 is about 225.2042458136.

The spelling of 11421673 in words is "eleven million, four hundred twenty-one thousand, six hundred seventy-three".