11428667 has 2 divisors, whose sum is σ = 11428668. Its totient is φ = 11428666.

The previous prime is 11428649. The next prime is 11428673. The reversal of 11428667 is 76682411.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11428667 - 2¹² = 11424571 is a prime.

It is a super-2 number, since 2×11428667² = 261228858793778, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11628667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5714333 + 5714334.

It is an arithmetic number, because the mean of its divisors is an integer number (5714334).

Almost surely, 2^11428667 is an apocalyptic number.

11428667 is a deficient number, since it is larger than the sum of its proper divisors (1).

11428667 is an equidigital number, since it uses as much as digits as its factorization.

11428667 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16128, while the sum is 35.

The square root of 11428667 is about 3380.6311540894. The cubic root of 11428667 is about 225.2502039702.

The spelling of 11428667 in words is "eleven million, four hundred twenty-eight thousand, six hundred sixty-seven".