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13752223 is a prime number
BaseRepresentation
bin110100011101…
…011110011111
3221212200111121
4310131132133
512010032343
61210431411
7224614642
oct64353637
927780447
1013752223
117843281
124732567
132b06714
141b7da59
151319aed
hexd1d79f

13752223 has 2 divisors, whose sum is σ = 13752224. Its totient is φ = 13752222.

The previous prime is 13752209. The next prime is 13752227. The reversal of 13752223 is 32225731.

It is a strong prime.

It is an emirp because it is prime and its reverse (32225731) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13752223 - 217 = 13621151 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13752227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6876111 + 6876112.

It is an arithmetic number, because the mean of its divisors is an integer number (6876112).

Almost surely, 213752223 is an apocalyptic number.

13752223 is a deficient number, since it is larger than the sum of its proper divisors (1).

13752223 is an equidigital number, since it uses as much as digits as its factorization.

13752223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2520, while the sum is 25.

The square root of 13752223 is about 3708.3989806923. The cubic root of 13752223 is about 239.5839028560.

Adding to 13752223 its reverse (32225731), we get a palindrome (45977954).

The spelling of 13752223 in words is "thirteen million, seven hundred fifty-two thousand, two hundred twenty-three".