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12250477 is a prime number
BaseRepresentation
bin101110101110…
…110101101101
3212001101111101
4232232311231
511114003402
61114323101
7206061451
oct56566555
925041441
1012250477
116a07a68
124129491
1326cc005
1418ac661
15111eb87
hexbaed6d

12250477 has 2 divisors, whose sum is σ = 12250478. Its totient is φ = 12250476.

The previous prime is 12250471. The next prime is 12250493. The reversal of 12250477 is 77405221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7295401 + 4955076 = 2701^2 + 2226^2 .

It is a cyclic number.

It is not a de Polignac number, because 12250477 - 211 = 12248429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12250471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6125238 + 6125239.

It is an arithmetic number, because the mean of its divisors is an integer number (6125239).

Almost surely, 212250477 is an apocalyptic number.

It is an amenable number.

12250477 is a deficient number, since it is larger than the sum of its proper divisors (1).

12250477 is an equidigital number, since it uses as much as digits as its factorization.

12250477 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3920, while the sum is 28.

The square root of 12250477 is about 3500.0681421938. The cubic root of 12250477 is about 230.5248066432.

Adding to 12250477 its reverse (77405221), we get a palindrome (89655698).

The spelling of 12250477 in words is "twelve million, two hundred fifty thousand, four hundred seventy-seven".